Swallowing the Power of Giants, Starting from the Giant Entry

Ai Yun was originally an ordinary modern person, but he accidentally traveled to the world of Attack on Titan. Waking up in chaos, he found himself an ordinary soldier inside the wall. He witnessed giants attacking the city. Fear and helplessness enveloped him, but he found that he had activated a mysterious system-the "Devouring Entry System." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.